#!/bin/bash
#Emil
curl -s 'https://www.destroyallsoftware.com/screencasts/catalog' | grep -oP '/screencasts/catalog/[^"]+' | sed 's;^;https\:\/\/www\.destroyallsoftware\.com;g' |
while read -r i
do
	file=$(curl -s "$i" | grep -oP '(?<=source.src = ")https\:\/\/destroyallsoftware\.s3\.amazonaws\.com/.+\.mp4?.+?(?=";)')
	link=""
	if [[ "${file}" =~ '4k.mp4?' ]]
	then
		link=$(echo "${file}" | grep -P '4k.mp4?')
	elif [[ "${file}" =~ '1080p.mp4?' ]]
	then
		link=$(echo "${file}" | grep -P '1080p.mp4?')
	else
		link=$(echo "${file}" | head -n 1)
	fi
	name=$(echo "${link}" | grep -oP '[^/](?:(?!.mp4)[^/])+\.mp4')
	echo "curl -L -o '${name}' '${link}'"
done | parallel --jobs "${1:-4}" "{}"